ADL5504ACBZ-P7(Rev0) 查看數據表（PDF） - Analog Devices

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ADL5504ACBZ-P7
(Rev.:Rev0)

450 MHz to 6000 MHz TruPwr Detector

Analog Devices 

ADL5504

Table 4. Evaluation Board Configuration Options

Component

Description

VPOSA, GNDA

Ground and supply vector pins.

C1A, C2A, C7A, C8A, Power supply decoupling. Nominal supply decoupling of 0.01 μF and 100 pF.

C9A, C5, C6

C3A

R7A

C4A, R2A, R3A

SW1A, R4A, R10A, P2

Filter capacitor. The internal rms averaging capacitor can be augmented by placing

additional capacitance in C3A.

RF input interface. The 75 Ω resistor at R7A combines with the ADL5504 internal

input impedance to give a broadband input impedance of around 50 Ω.

Output filtering. The combination of the internal 100 Ω output resistance and C4A

produce a low-pass filter to reduce output ripple of the VRMS output. The output

can be scaled down using the resistor divider pads, R2A and R3A.

Device enable. When the SW1A is set to the on position, the ENBL pin is connected to the

supply and the ADL5504 is in enable mode. In the opposite switch position, the ENBL pin

is grounded (through the 0 Ω resistor) putting the device in power-down mode.

P1, R1A, R5A, R6A, Alternate interface. The end connector, P1, allows access to various ADL5504 signals.

R8A, R9A

These signal paths are only used during factory test and characterization.

Default Condition

Not applicable

C1A = 100 pF (Size 0402)

C2A = 0.1 μF (Size 0402)

C7A = C8A = open (Size 0805)

C9A = open (Size 0402)

C5 = C6 = open (Size 0402)

C3A = 10 nF (Size 0402)

R7A = 75 Ω (Size 0402)

R3A = 0 Ω (Size 0402)

R2A = open (Size 0402)

C4A= open (Size 0402)

R4A = 0 Ω (Size 0402)

R10A = open (Size 0402)

SW1A = on position

P2 = not installed

P1 = not installed

R1A = R5A = open (Size 0402)

R6A = R9A = open (Size 0402)

R8A = open (Size 0805)

Rev. 0 | Page 21 of 24

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